Leghemoglobin is found in which one of the following organisms?

With which organism does $Azolla$ live in a symbiotic relationship?

The $hup$ gene is found in .........

Knot-like bodies known as 'nodules' found in the roots of groundnut plant are produced by

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation?

Leghemoglobin is .....